const MODULE = 'service-center-flow'
const OPTIONS = { scenario: 'service-center-cross-flow', deploymentBlocker: true }
const OCEAN = '/api/platform/v1/ocean-bookings'
const TRUCK = '/api/platform/v1/truck-appointments'

function id(value) { return value == null ? '' : String(value) }
function codeOf(response) { return response?.body?.code == null ? 'missing' : String(response.body.code) }

async function requestWithTransientRetry(context, method, path, body) {
  let response = null
  for (let attempt = 1; attempt <= 3; attempt += 1) {
    response = await context.request(method, path, body)
    if (response?.http !== 0) return response
    if (attempt < 3) await new Promise((resolve) => setTimeout(resolve, 500 * attempt))
  }
  return response
}

async function actionRequest(context, path, endpoint, version) {
  try {
    const response = await fetch(`${context.options.gateway}${path}/${endpoint}`, {
      method: 'POST',
      headers: {
        Accept: 'application/json', Authorization: `Bearer ${context.token}`,
        'Content-Type': 'application/json; charset=utf-8',
        'Idempotency-Key': `${context.marker}-flow-${endpoint}`.slice(0, 128),
      },
      body: JSON.stringify({ expectedVersion: version, reason: context.marker }),
      signal: AbortSignal.timeout(60_000),
    })
    const raw = await response.text(); let payload = null
    try { payload = raw ? JSON.parse(raw) : null } catch { /* bounded raw evidence */ }
    return { method: 'POST', path: `${path}/${endpoint}`, http: response.status, body: payload,
      raw: payload === null ? raw.slice(0, 500) : null,
      requestId: payload?.requestId || response.headers.get('x-request-id'),
      traceId: payload?.traceId || response.headers.get('x-trace-id') }
  } catch (error) {
    return { method: 'POST', path: `${path}/${endpoint}`, http: 0, body: null,
      raw: String(error), requestId: null, traceId: null }
  }
}

async function uploadDispatchOrder(context, appointmentId) {
  const path = `${TRUCK}/${appointmentId}/attachments/upload?attachmentType=DISPATCH_ORDER`
  const form = new FormData()
  const png = Uint8Array.from([137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82,0,0,0,1,0,0,0,1,8,6,0,0,0,31,21,196,137,0,0,0,13,73,68,65,84,8,215,99,248,207,192,240,31,0,5,0,1,255,137,153,61,29,0,0,0,0,73,69,78,68,174,66,96,130])
  form.append('file', new Blob([png], { type: 'image/png' }), `${context.marker}-bill.png`)
  const response = await fetch(`${context.options.gateway}${path}`, {
    method: 'POST', headers: { Accept: 'application/json', Authorization: `Bearer ${context.token}` },
    body: form, signal: AbortSignal.timeout(60_000),
  })
  const body = await response.json()
  return { method: 'POST', path, http: response.status, body,
    requestId: body?.requestId || response.headers.get('x-request-id'),
    traceId: body?.traceId || response.headers.get('x-trace-id') }
}

export async function run(context) {
  const containerFlow = context.createdResources?.phase3Loading
    || context.createdResources?.phase3ContainerLoading
  const ocean = containerFlow?.oceanBookingId
    ? { id: id(containerFlow.oceanBookingId), finalStatus: 'RELEASED' }
    : context.createdResources?.oceanBooking
  if (!ocean?.id || ocean.finalStatus !== 'RELEASED') {
    context.addStep(MODULE, '跨服务链路前置订舱终态可用', null, false,
      '本轮海运订舱模块未返回 RELEASED 隔离记录，未伪造关联拖车预约', OPTIONS)
    return
  }

  const suffix = context.marker.replace(/\D/g, '').slice(-10)
  const oceanResponse = await context.request('GET', `${OCEAN}/${ocean.id}`)
  const oceanDetail = context.apiSuccess(MODULE, '读取跨服务链路已放舱订舱', oceanResponse, `oceanBookingId=${ocean.id}`, OPTIONS)
  const booking = oceanDetail?.oceanBooking || oceanDetail
  context.assert(MODULE, '已放舱订舱可直接创建订舱级拖车预约', oceanResponse,
    id(booking?.id) === id(ocean.id) && booking?.status === 'RELEASED',
    `oceanBookingId=${id(booking?.id) || 'missing'}, status=${booking?.status || 'missing'}`, OPTIONS)
  const carrierResponse = await requestWithTransientRetry(context, 'GET',
    '/api/platform/v1/suppliers?tenantId=0&category=TRUCKING&status=ACTIVE&page=1&size=20')
  const carrierPage = context.apiSuccess(MODULE, '读取 ACTIVE TRUCKING 承运商事实源', carrierResponse, '', OPTIONS)
  const carrier = carrierPage?.records?.find?.((item) => item?.id && item?.name)
  context.assert(MODULE, '跨服务拖车使用正式 ACTIVE TRUCKING 承运商', carrierResponse,
    Boolean(carrier?.id && carrier?.name), `carrierId=${id(carrier?.id) || 'missing'}`, OPTIONS)
  if (!carrier) return
  const payload = {
    outboundOrderId: null,
    oceanBookingId: ocean.id,
    warehouseId: id(containerFlow?.warehouseId
      || context.createdResources?.warehouse?.id || context.context?.warehouseId || '193000000000000001'),
    carrierId: id(carrier.id), carrierName: carrier.name,
    fleetContact: '链路车队联系人', fleetPhone: '13800000007', driverName: '链路司机', driverPhone: '13800000008',
    driverIdCard: null, vehicleNo: `粤D-${suffix.slice(-6)}`, storeName: `链路门店-${suffix}`, storeContact: '链路联系人',
    storePhone: '13800000009', storeAddress: '深圳市南山区链路地址', storeCity: '深圳市', storeZipcode: '518000',
    packageCount: 1, grossWeightKg: 1, volumeCbm: 0.1, palletCount: 0, poNo: `FLOW-PO-${suffix}`,
    plannedLoadingAt: '2026-09-03T08:00:00', transitMinutes: 60, payableAmount: 1,
    currency: 'RMB', remark: context.marker, expectedVersion: 0,
  }
  const response = await context.request('POST', TRUCK, payload)
  const appointment = context.apiSuccess(MODULE, '创建关联海运订舱的拖车预约', response, `oceanBookingId=${ocean.id}`, OPTIONS)
  const appointmentId = id(appointment?.id)
  context.assert(MODULE, '拖车预约仅关联订舱且版本和审计字段完整', response,
    Boolean(appointmentId) && id(appointment?.oceanBookingId) === id(ocean.id) && Number.isFinite(Number(appointment?.version))
      && !Object.hasOwn(appointment || {}, 'containerBookingId')
      && !Object.hasOwn(appointment || {}, 'loadingPlanId')
      && Boolean(appointment?.createdAt || appointment?.createdBy || appointment?.operatorName),
    `appointmentId=${appointmentId || 'missing'}, oceanBookingId=${appointment?.oceanBookingId || 'missing'}, containerBookingId=${appointment?.containerBookingId || 'n/a'}, loadingPlanId=${appointment?.loadingPlanId || 'n/a'}, version=${appointment?.version ?? 'missing'}`, OPTIONS)
  if (!appointmentId) return
  const path = `${TRUCK}/${appointmentId}`
  const dispatchUpload = await uploadDispatchOrder(context, appointmentId)
  const dispatchAttachment = context.apiSuccess(MODULE, '跨服务拖车上传有效派车单附件', dispatchUpload, '', OPTIONS)
  if (!dispatchAttachment?.id) return
  let version = Number(appointment.version)
  for (const [name, endpoint, status] of [
    ['提交跨链路预约', 'submit', 'PENDING_DISPATCH'],
    ['派发跨链路拖车', 'dispatch', 'DISPATCHED'],
    ['跨链路开始提货', 'pickup', 'PICKUP_IN_PROGRESS'],
    ['跨链路拖车到仓', 'arrive', 'ARRIVED_WAREHOUSE'],
    ['跨链路开始装货', 'load', 'LOADING'],
    ['跨链路拖车离仓', 'depart', 'DEPARTED'],
    ['完成跨链路拖车', 'complete', 'COMPLETED'],
  ]) {
    const action = await actionRequest(context, path, endpoint, version)
    const changed = context.apiSuccess(MODULE, name, action, '', OPTIONS)
    context.assert(MODULE, `${name}状态正确`, action, changed?.status === status,
      `status=${changed?.status || 'missing'}, version=${changed?.version ?? 'missing'}`, OPTIONS)
    if (!changed) return
    version = Number(changed.version)
  }
  const detail = await context.request('GET', `${TRUCK}/${appointmentId}`)
  const final = context.apiSuccess(MODULE, '回查跨服务链路安全终态', detail, '', OPTIONS)
  context.assert(MODULE, '跨服务链路终态持久化且关联订舱未漂移', detail,
    final?.status === 'COMPLETED' && id(final?.oceanBookingId) === id(ocean.id)
      && !Object.hasOwn(final || {}, 'containerBookingId')
      && !Object.hasOwn(final || {}, 'loadingPlanId'),
    `status=${final?.status || 'missing'}, oceanBookingId=${final?.oceanBookingId || 'missing'}, containerBookingId=${final?.containerBookingId || 'n/a'}, loadingPlanId=${final?.loadingPlanId || 'n/a'}`, OPTIONS)

  const historyResponse = await context.request('GET', `${TRUCK}/${appointmentId}/history`)
  const history = context.apiSuccess(MODULE, '查询跨服务链路拖车预约状态历史', historyResponse, '', OPTIONS)
  const actions = Array.isArray(history) ? history.filter((item) => item?.action !== 'CREATE') : []
  const expectedActions = ['SUBMIT', 'DISPATCH', 'PICKUP', 'ARRIVE', 'LOAD', 'DEPART', 'COMPLETE']
  context.assert(MODULE, '跨服务链路历史包含完整状态链、操作者、时间和备注', historyResponse,
    expectedActions.every((action) => actions.some((item) => item.action === action
      && id(item.appointmentId) === appointmentId && Boolean(item.operatorId)
      && Boolean(item.operatorName) && Boolean(item.createdAt) && item.reason === context.marker)),
    `history=${history?.length ?? 'n/a'}, actions=${actions.map((item) => item.action).join(',')}`,
    OPTIONS)
  if (final?.status === 'COMPLETED') {
    context.createdResources.serviceCenterFlow = {
      appointmentId, oceanBookingId: ocean.id,
      containerBookingId: null,
      loadingPlanId: null,
      marker: context.marker, finalStatus: 'COMPLETED',
    }
  }
}